Global Patent Index - EP 1976199 A4

EP 1976199 A4 20111109 - COMMUNICATION SYSTEM, MOBILE STATION, SWITCHING MACHINE AND COMMUNICATION METHOD

Title (en)

COMMUNICATION SYSTEM, MOBILE STATION, SWITCHING MACHINE AND COMMUNICATION METHOD

Title (de)

KOMMUNIKATIONSSYSTEM, MOBILSTATION, SCHALTMASCHINE UND KOMMUNIKATIONSVERFAHREN

Title (fr)

SYSTÈME DE COMMUNICATION, STATION MOBILE, MACHINE DE COMMUTATION ET MÉTHODE DE COMMUNICATION

Publication

EP 1976199 A4 20111109 (EN)

Application

EP 06832409 A 20061101

Priority

  • JP 2006321893 W 20061101
  • JP 2005318917 A 20051101

Abstract (en)

[origin: EP1976199A1] A communication system according to the present invention includes: a mobile station 10; an access point located on a radio access system; and a switch apparatus 30 connected to the radio access system, wherein a secured connection between a mobile station 10 and the access point 20 has been already established. The mobile station 10 includes a judgment unit 30 configured to judge whether or not to establish a secured connection between the mobile station 10 and the switch apparatus 30.

IPC 8 full level

H04W 28/00 (2009.01); H04L 9/32 (2006.01); H04L 12/22 (2006.01); H04L 12/70 (2013.01); H04M 3/00 (2006.01); H04W 12/00 (2009.01); H04W 12/02 (2009.01); H04W 76/02 (2009.01); H04W 88/08 (2009.01); H04W 92/10 (2009.01)

CPC (source: EP US)

H04L 63/0428 (2013.01 - EP US); H04L 63/0815 (2013.01 - EP US); H04L 63/164 (2013.01 - EP US); H04L 65/1016 (2013.01 - EP US); H04W 12/03 (2021.01 - EP US); H04W 12/06 (2013.01 - EP US); H04W 76/10 (2018.01 - EP US); H04W 88/08 (2013.01 - EP US)

Citation (search report)

  • [XA] "3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; 3G security; Access security for IP-based services (Release 6)", 3GPP STANDARD; 3GPP TS 33.203, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, no. V6.8.0, 1 September 2005 (2005-09-01), pages 1 - 44, XP050376618
  • [XA] FRANCE TELECOM: "A new proposal for bundled access to IMS", INTERNET CITATION, July 2005 (2005-07-01), XP002659116, Retrieved from the Internet <URL:http://docbox.etsi.org/TISPAN/Open/Archives/Joint_meetings/2005-07_3GPP_TISPAN_Sophia/CT1-WG3/07TD229a1%20New_proposal_for_bundled_access_to_IMS.ppt> [retrieved on 20110915]
  • [XA] YAN JUN ET AL: "Some comments and Proposal on IMS authentication bundled with NASS", INTERNET CITATION, 11 July 2005 (2005-07-11), XP007904661, Retrieved from the Internet <URL:http://portal.etsi.org/docbox/TISPAN/Open/Archives/Joint_meetings/200 5-07_3GPP_TISPAN_Sophia/CT1-WG3/> [retrieved on 20080505]
  • [XA] CHANG M-F ET AL: "One-Pass GPRS and IMS Authentication Procedure for UMTS", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, IEEE SERVICE CENTER, PISCATAWAY, US, vol. 23, no. 6, 1 June 2005 (2005-06-01), pages 1233 - 1239, XP011132978, ISSN: 0733-8716, DOI: 10.1109/JSAC.2005.856823
  • See references of WO 2007052713A1

Designated contracting state (EPC)

DE GB

DOCDB simple family (publication)

EP 1976199 A1 20081001; EP 1976199 A4 20111109; CN 101300793 A 20081105; CN 101300793 B 20120321; JP 2007129371 A 20070524; JP 4334531 B2 20090930; TW 200729894 A 20070801; TW I324008 B 20100421; US 2008305767 A1 20081211; US 8140082 B2 20120320; WO 2007052713 A1 20070510

DOCDB simple family (application)

EP 06832409 A 20061101; CN 200680041061 A 20061101; JP 2005318917 A 20051101; JP 2006321893 W 20061101; TW 95140530 A 20061101; US 9211306 A 20061101